Consider the situation as shown in figure. The point O is the center and the light ray forms an angle of 
with the normal.
The normal makes an angle 
with the horizontal and the mirror makes an angle 
with the normal. The value of refractive index of that spherical portions, so that light ray retraces its path is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Refractive index, 
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